Words similar to mistake

Example sentences for: mistake

How can you use “mistake” in a sentence? Here are some example sentences to help you improve your vocabulary:

Churchill's fatal mistake, it turns out, was giving Gandhi a negative blurb.
(Interestingly, the NYT doesn't even mention the "mistake" line.)
Gore admits that his "no controlling legal authority" press conference was a mistake.
On a personal note, what is the biggest mistake you made as an adult, and what lesson did you learn from it?"
Releasing him from prison, even to further Middle East peace, would be a huge mistake.